This anonymous work reflects the amateur domestic music-making culture of the Victorian period. It is harmonically straightforward and relies on a sentimental, song-like structure.
The student needs to prioritize clear phrasing of the vocal-style melody over the simple chords.
Comparable difficulty and character — good candidates for what to learn next.
'Tis Sweet to Muse o'er Memory's Page is rated Henle level 2 of 9 — beginner repertoire, roughly ABRSM grades 2–3. In the RCM system it corresponds to about level 3.
You should be comfortable at Henle level 2 — meaning you can already play level 1–2 pieces cleanly. Learning it one level early is possible as a stretch piece, but more than that usually leads to months of frustration.
A typical performance of 'Tis Sweet to Muse o'er Memory's Page lasts about 3 minutes.
'Tis Sweet to Muse o'er Memory's Page is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.
Pieces at a comparable difficulty and character include Aux Marches du Palais by Anonymous, Allabreve in C minor, D-LEb Go.S.104/8 by Anonymous, 'Tis Midnight Hour by Anonymous — see the full similar-pieces list on this page.